3478716

Information

• Patent Grant
• 3478716

• References
• Source

• Patent Number

  3,478,716

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • D21H19/70 - with internal voids
  • Y10T428/31511 - Of epoxy ether
  • Y10T428/31765 - Inorganic-containing or next to inorganic-containing
  • Y10T428/31775 - Paper
  • Y10T428/31783 - Paper or wood

• US Classifications

  • 428 - Stock material or miscellaneous articles